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var(--ink);background:linear-gradient(135deg, transparent 45%, #ffffffb3 46% 54%, transparent 55%), repeating-linear-gradient(180deg, var(--horse) 0 11px, var(--yellow) 12px 23px, var(--teal) 24px 35px);clip-path:polygon(50% 0,100% 100%,0 100%);opacity:0;transform-origin:bottom;width:34px;height:62px;animation:.8s ease-out both popper-kick;position:absolute;bottom:-7px}.popper-left{left:5px}.popper-right{--popper-rest:rotate(-28deg);--popper-kick:rotate(-16deg);right:5px}.firework-rocket{--rocket-origin:2%;--rocket-x:28vw;--rocket-y:-65vh;--rocket-delay:0s;--rocket-color:var(--yellow);bottom:-20px;left:var(--rocket-origin);background:linear-gradient(180deg, var(--rocket-color), #fff9ebeb, transparent);width:4px;height:34px;box-shadow:0 0 10px var(--rocket-color);opacity:0;animation:rocket-rise .72s ease-out var(--rocket-delay) both;will-change:transform, opacity;border-radius:999px;position:absolute}.firework-burst{--burst-delay:.66s;--burst-color:var(--yellow);width:1px;height:1px;position:absolute}.firework-spark{--spark-angle:0deg;--spark-distance:70px;--spark-color:var(--yellow);background:linear-gradient(90deg, var(--spark-color), transparent);width:16px;height:3px;box-shadow:0 0 7px var(--spark-color);opacity:0;transform-origin:0;animation:firework-spark 1.15s ease-out var(--burst-delay) both;will-change:transform, opacity;border-radius:999px;position:absolute;top:0;left:0}.firework-ring{border:2px solid var(--burst-color);width:16px;height:16px;box-shadow:0 0 9px var(--burst-color);opacity:0;animation:firework-ring .9s ease-out var(--burst-delay) both;border-radius:50%;position:absolute;top:-8px;left:-8px}.milestone-toast{top:calc(env(safe-area-inset-top,0px) + 22px);z-index:31;border:3px solid var(--ink);background:var(--yellow);max-width:calc(100vw - 32px);box-shadow:4px 4px 0 var(--ink);text-align:center;white-space:normal;border-radius:999px;padding:12px 16px 11px;font-family:Georgia,Times New Roman,serif;font-size:clamp(.82rem,2vw,1rem);font-weight:900;animation:1.6s both milestone-pop;position:fixed;left:50%}.achievement-panel{bottom:calc(env(safe-area-inset-bottom,0px) + 18px);z-index:20;border:3px solid var(--ink);width:min(520px,100vw - 32px);max-height:min(72vh,560px);box-shadow:8px 8px 0 var(--ink);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fff9ebf7;border-radius:18px;padding:22px 54px 18px 22px;animation:.42s cubic-bezier(.2,.78,.22,1) both achievement-rise;position:fixed;left:50%;overflow-y:auto;transform:translate(-50%)}.achievement-dismiss{border:2px solid var(--ink);background:var(--paper);width:36px;height:36px;color:var(--ink);cursor:pointer;border-radius:50%;place-items:center;padding:0;font-family:Arial,sans-serif;font-size:1.35rem;line-height:1;display:grid;position:absolute;top:10px;right:10px}.achievement-kicker{margin:0 0 6px}.achievement-panel h2{letter-spacing:-.035em;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.35rem,4vw,2rem);line-height:1.05}.achievement-copy{color:var(--muted);margin:9px 0 14px;font-size:.82rem;line-height:1.45}.achievement-actions{flex-wrap:wrap;gap:9px;display:flex}.achievement-actions button{border:2px solid var(--ink);background:var(--teal);min-height:44px;box-shadow:3px 3px 0 var(--ink);color:#fff;cursor:pointer;letter-spacing:.05em;text-transform:uppercase;border-radius:999px;padding:9px 13px;font-size:.68rem;font-weight:900}.achievement-actions button:last-child{background:var(--yellow);color:var(--ink)}.achievement-actions button:hover{transform:translateY(-1px)}.share-feedback{min-height:1.2em;color:var(--teal);margin:11px 0 0;font-size:.72rem;font-weight:800;line-height:1.35}.manual-share-field{margin-top:10px;display:block}.manual-share-field span{color:var(--muted);letter-spacing:.09em;text-transform:uppercase;margin-bottom:5px;font-size:.63rem;font-weight:900;display:block}.manual-share-field textarea{resize:vertical;border:2px solid var(--ink);width:100%;min-height:68px;color:var(--ink);background:#fff;border-radius:8px;padding:9px;font-size:.72rem;line-height:1.4}.horse-world{--track-height:12000px;width:100%;height:var(--track-height);min-height:12000px;position:relative}.horse-top,.horse-legs{width:480px;position:absolute;left:50%;transform:translate(-50%)}.horse-top{z-index:3;filter:drop-shadow(7px 8px #2927221a);height:260px;top:0}.horse-body{border:4px solid var(--ink);background:var(--horse);border-radius:47% 54% 45% 48%;width:315px;height:145px;position:absolute;top:43px;left:45px;transform:rotate(-1deg)}.body-patch{background:var(--horse-light);opacity:.78;border-radius:50%;width:92px;height:62px;position:absolute;top:33px;left:78px;transform:rotate(-10deg)}.horse-neck{z-index:2;border:4px solid var(--ink);background:var(--horse);border-radius:48% 45% 37% 35%;width:82px;height:126px;position:absolute;top:38px;right:77px;transform:rotate(-13deg)}.mane{background:var(--horse-dark);clip-path:polygon(100% 0,100% 100%,0 48%);width:33px;height:38px;position:absolute;left:-22px}.mane-one{top:7px}.mane-two{top:36px;transform:rotate(5deg)}.mane-three{top:67px;transform:rotate(10deg)}.horse-head{z-index:4;border:4px solid var(--ink);background:var(--horse-light);border-radius:43% 51% 46% 39%;width:126px;height:104px;position:absolute;top:6px;right:0;transform:rotate(7deg)}.ear{border:4px solid var(--ink);background:var(--horse-light);transform-origin:bottom;border-radius:70% 70% 35% 35%;width:30px;height:51px;position:absolute;top:-35px}.ear-left{left:18px;transform:rotate(-18deg)}.ear-right{left:59px;transform:rotate(13deg)}.forelock{z-index:2;background:var(--horse-dark);clip-path:polygon(0 0,100% 0,78% 100%,48% 55%,28% 96%);width:42px;height:42px;position:absolute;top:-8px;left:42px}.eye{background:var(--ink);border-radius:50%;width:14px;height:17px;position:absolute;top:32px;right:32px}.eye:after{content:"";background:#fff;border-radius:50%;width:4px;height:4px;position:absolute;top:3px;left:3px}.cheek{opacity:.7;background:#ed7f63;border-radius:50%;width:27px;height:17px;position:absolute;bottom:16px;right:15px}.nostril{background:var(--ink);border-radius:50%;width:7px;height:5px;position:absolute;bottom:34px;right:9px}.smile{border-bottom:3px solid var(--ink);border-radius:50%;width:25px;height:13px;position:absolute;bottom:11px;right:17px;transform:rotate(-8deg)}.tail{z-index:1;border:4px solid var(--ink);background:var(--horse-dark);transform-origin:100%;border-right:0;border-radius:100% 0 0 100%;width:95px;height:22px;position:absolute;top:65px;left:-34px;transform:rotate(-22deg)}.tail span{background:var(--horse-dark);border-radius:60% 20% 60% 40%;width:38px;height:43px;position:absolute;top:-12px;left:-18px;transform:rotate(26deg)}.horse-legs{z-index:1;top:165px;bottom:0}.endless-leg{border-right:4px solid var(--ink);border-left:4px solid var(--ink);background:linear-gradient(90deg, #ffffff1f, transparent 35%), repeating-linear-gradient(180deg, var(--horse) 0, var(--horse) 235px, var(--horse-light) 236px, var(--horse-light) 250px, var(--horse) 251px, var(--horse) 510px);width:46px;position:absolute;top:0;bottom:0}.rear-leg{left:100px}.front-leg{left:302px}.leg-stitch{background:#633c2b6b;border-radius:50%;width:7px;height:7px;position:absolute;left:9px}.stitch-one{top:540px;box-shadow:0 1100px #633c2b6b,0 3300px #633c2b6b}.stitch-two{top:1360px;left:25px;box-shadow:0 1800px #633c2b6b,0 4200px #633c2b6b}.milestone{z-index:2;border:3px solid var(--ink);width:min(250px,25vw);box-shadow:6px 6px 0 var(--ink);background:#fff9eb;padding:16px 17px 15px;position:absolute}.milestone:after{background:var(--ink);content:"";width:clamp(24px,7vw,110px);height:3px;position:absolute;top:50%}.milestone-left{right:calc(50% + clamp(82px,13vw,155px));transform:rotate(-1.5deg)}.milestone-left:after{left:100%}.milestone-right{left:calc(50% + clamp(82px,13vw,155px));transform:rotate(1.5deg)}.milestone-right:after{right:100%}.milestone span{color:var(--teal);letter-spacing:.14em;text-transform:uppercase;margin-bottom:6px;font-size:.66rem;font-weight:900;display:block}.milestone strong{font-family:Georgia,Times New Roman,serif;font-size:clamp(1rem,1.7vw,1.3rem);line-height:1.1;display:block}.more-horse{z-index:3;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;align-items:center;gap:10px;font-size:.67rem;font-weight:900;display:flex;position:absolute;bottom:300px;left:50%;transform:translate(-50%)}.more-horse span{background:var(--teal);border-radius:50%;width:7px;height:7px;animation:1.2s ease-in-out infinite alternate blink}.more-horse span:last-child{animation-delay:.35s}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}@keyframes opening-hint-bob{0%{transform:translateY(-10px)}to{transform:translateY(10px)}}@keyframes achievement-rise{0%{opacity:0;transform:translate(-50%,18px)scale(.96)}to{opacity:1;transform:translate(-50%)scale(1)}}@keyframes nudge{0%,to{transform:translateY(0)}50%{transform:translateY(5px)}}@keyframes blink{0%{opacity:.25;transform:scale(.72)}to{opacity:1;transform:scale(1)}}@keyframes corner-pop{0%{opacity:0;transform:translate(0)rotate(0)scale(.72)}8%{opacity:1}58%{opacity:1;transform:translate3d(var(--particle-apex-x), var(--particle-apex-y), 0) rotate(var(--particle-spin)) scale(1)}to{opacity:0;transform:translate3d(var(--particle-end-x), var(--particle-end-y), 0) rotate(var(--particle-spin)) scale(.82)}}@keyframes spark-fountain{0%{opacity:0;transform:translate(0)scale(.35)}12%,64%{opacity:1}to{opacity:0;transform:translate3d(var(--particle-apex-x), var(--particle-apex-y), 0) rotate(var(--particle-spin)) scale(.08)}}@keyframes streamer-launch{0%{opacity:0;transform:translate(0)rotate(0)skewY(0)scaleY(.5)}10%{opacity:1}58%{opacity:1;transform:translate3d(var(--particle-apex-x), var(--particle-apex-y), 0) rotate(var(--particle-spin)) skewY(14deg) scaleY(1)}to{opacity:0;transform:translate3d(var(--particle-end-x), var(--particle-end-y), 0) rotate(var(--particle-spin)) skewY(-18deg) scaleY(.8)}}@keyframes popper-kick{0%{opacity:0;transform:var(--popper-rest) translateY(18px) scale(.72)}18%,62%{opacity:1;transform:var(--popper-kick) translateY(0) scale(1)}to{opacity:0;transform:var(--popper-rest) translateY(8px) scale(.9)}}@keyframes rocket-rise{0%{opacity:0;transform:translate(0)scaleY(.55)}12%,78%{opacity:1}to{opacity:0;transform:translate3d(var(--rocket-x), var(--rocket-y), 0) scaleY(1.2)}}@keyframes firework-spark{0%{opacity:0;transform:rotate(var(--spark-angle)) translateX(0) scaleX(.15)}14%,58%{opacity:1}to{opacity:0;transform:rotate(var(--spark-angle)) translateX(var(--spark-distance)) scaleX(.3)}}@keyframes firework-ring{0%{opacity:0;transform:scale(.15)}18%{opacity:.9}to{opacity:0;transform:scale(4.8)}}@keyframes milestone-pop{0%{opacity:0;transform:translate(-50%,-18px)rotate(-3deg)scale(.82)}12%,78%{opacity:1;transform:translate(-50%)rotate(-1deg)scale(1)}to{opacity:0;transform:translate(-50%,-8px)rotate(1deg)scale(.96)}}@media (width<=680px){.site-nav{flex-wrap:wrap;gap:10px;width:calc(100% - 28px);min-height:0;padding:13px 0 8px}.site-brand{font-size:.9rem}.site-brand-mark{width:34px;height:29px}.site-nav-links{justify-content:space-between;gap:2px;width:100%}.site-nav-links a{letter-spacing:.035em;padding:7px 6px 6px;font-size:.57rem}.content-main{width:min(100% - 28px,1040px);padding:42px 0 56px}.content-header{margin-bottom:38px}.content-header h1{font-size:clamp(2.85rem,15vw,4.8rem)}.content-lede{font-size:1.02rem}.page-figure{box-shadow:6px 6px 0 var(--ink);border-width:2px;padding:8px}.credit-section,.split-section{grid-template-columns:1fr;gap:20px}.feature-list,.challenge-grid,.answer-grid,.link-card-grid{grid-template-columns:1fr}.content-callout{box-shadow:5px 5px 0 var(--ink);padding:26px 20px}.process-list li{grid-template-columns:52px minmax(0,1fr);gap:13px}.process-list li>span{font-size:1.75rem}.site-footer{flex-direction:column;align-items:flex-start;width:calc(100% - 28px)}.site-footer nav{justify-content:flex-start}.achievement-panel{bottom:calc(env(safe-area-inset-bottom,0px) + 70px);width:calc(100vw - 24px);box-shadow:5px 5px 0 var(--ink);border-radius:14px;padding:18px 48px 14px 16px}.achievement-actions{grid-template-columns:1fr 1fr;display:grid}.achievement-actions button{padding-inline:8px;font-size:.61rem}.hero{width:min(100% - 28px,540px);min-height:390px;padding-top:68px}.hero h1{font-size:clamp(3.45rem,19vw,6.8rem)}.hero h1 span{-webkit-text-stroke-width:1.5px;text-shadow:3px 4px 0 var(--yellow)}.experience-controls{gap:7px;margin-bottom:24px}.experience-toggle{min-height:44px;padding-inline:10px;font-size:.61rem}.opening-scroll-hints{width:calc(100vw - 14px);top:clamp(380px,67vh,560px)}.opening-scroll-hint{gap:6px;min-width:66px}.opening-scroll-label{letter-spacing:.07em;padding:7px 8px 6px;font-size:.52rem}.opening-scroll-arrow{-webkit-text-stroke-width:1.5px;text-shadow:3px 3px 0 var(--yellow);font-size:clamp(3.8rem,17vw,5rem)}.horse-guide-body dl{grid-template-columns:1fr}.depth-meter{top:calc(env(safe-area-inset-top,0px) + 64px);right:calc(env(safe-area-inset-right,0px) + 12px);transform-origin:100% 0;transform:scale(.88)}.depth-meter.is-at-top{top:calc(env(safe-area-inset-top,0px) + 96px);opacity:0;pointer-events:none;transform:translateY(-8px)scale(.88)}.back-to-mane{bottom:12px;right:12px}.milestone-toast{top:calc(env(safe-area-inset-top,0px) + 18px)}.horse-top,.horse-legs{width:340px}.horse-top{transform-origin:top;transform:translate(-50%)scale(.79)}.horse-legs{top:132px}.rear-leg{width:38px;left:75px}.front-leg{width:38px;left:234px}.milestone{width:min(150px,40vw);box-shadow:4px 4px 0 var(--ink);padding:12px 12px 11px}.milestone-left{right:calc(50% + 74px)}.milestone-right{left:calc(50% + 74px)}.milestone strong{font-size:.92rem}.milestone:after{width:22px}}@media (width<=430px){.eyebrow{font-size:.61rem}.experience-controls{flex-wrap:wrap}.site-nav-links a{font-size:.53rem}.achievement-actions{grid-template-columns:1fr}.milestone{width:118px}.milestone span{font-size:.56rem}.milestone strong{font-size:.8rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.scroll-arrow,.opening-scroll-hint,.more-horse span,.celebration-particle,.celebration-popper,.firework-rocket,.firework-spark,.firework-ring,.milestone-toast,.achievement-panel{animation:none}.back-to-mane,.depth-meter,.opening-scroll-hints,.experience-toggle,.primary-cta,.link-card-grid a{transition:none}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}